MARY LOUISE KEOHAN MD
NPI 1184695124
Internal Medicine - Medical Oncology in New York, NY

Active since January 29, 2006PECOS EnrolledAccepts Medicare Assignment
89.61/100
CMS Quality Rating
1275 YORK AVE, NEW YORK, NY 10021(212) 639-2000 Get Directions Write a Review

NPPES record last updated: February 24, 2015. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Mary Louise Keohan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY LOUISE KEOHAN MD (NPI 1184695124) is an individual medical oncology provider in New York, New York, licensed in New York (202980) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1184695124
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameMARY LOUISE KEOHANCredential: MD
Location Address1275 YORK AVENew York, NY 10021-6007
Mailing Address633 3rd Ave, 633 Third AveNew York, NY 10017-6706
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJanuary 29, 2006
Last NPPES UpdateFebruary 24, 2015
NPI 1184695124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in NY · 202980
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
1275 YORK AVE, New York, NY 10021

Other Identifiers 1

Medicare UPING70509

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Louise Keohan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143288902
PECOS Enrollment IDI20041227000318
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
181 services90 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
97 services42 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
87 services42 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
19 services15 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.89
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
1275 YORK AVE
NEW YORK, NY 10021
Nurse Anesthetist, Certified Registered
1275 YORK AVE
NEW YORK, NY 10021
Nurse Anesthetist, Certified Registered
1275 YORK AVE
NEW YORK, NY 10021
Pediatrics (Pediatric Hematology-Oncology)
1275 YORK AVE
NEW YORK, NY 10021
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10021
Radiology (Diagnostic Radiology)
1275 YORK AVE, DEPARTMENT OF RADIOLOGY
NEW YORK, NY 10021
Internal Medicine (Medical Oncology)
1275 YORK AVE
NEW YORK, NY 10021
Internal Medicine (Hematology & Oncology)
1275 YORK AVE
NEW YORK, NY 10021

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Keohan's NPI number?

The NPI number for Mary Keohan is 1184695124. It was assigned to this individual provider in the NPPES registry on January 29, 2006.

Where is Mary Keohan located?

Mary Keohan practices at 1275 York Ave, New York, NY 10021. The listed phone number is (212) 639-2000.

What is Mary Keohan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Mary Keohan enrolled in Medicare?

Yes. Mary Keohan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mary Keohan was last updated on February 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.